Correct

吃粉笔灰

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Strokes
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Collocation

1
吃了一辈子粉笔灰
2
去吃粉笔灰
3
吃粉笔灰的人
4
吃一辈子吃粉笔灰
5
都是吃粉笔灰的
6
让老师不再吃粉笔灰

Definition

吃粉笔灰

Literally means:

eat chalk dust

Actually means:

pursue the profession of teaching; be a teacher

A teacher inhales chalk powder when writing on the blackboard. This phrase metaphorically means having a career as teacher. It is a humorous expression.

教师用粉笔在黑板上写字时吸入粉笔灰。借指当教师。含有诙谐的意味。

Example

Used as predicate, attributive or object. It can also be used with other words in between. (作谓语、定语、宾语,中间可插入别的词语)
1
Yòng
用
diànnǎo
电脑
jiàoxué
教学
  
,
kěyǐ
可以
jiéshěng
节省
zài
在
hēibǎn
黑板
shàng
上
xiězì
写字
de
的
shíjiān
时间
  
,
jiàoshī
教师
yě
也
bùbì
不必
zài
再
chī
吃
fěnbǐ
粉笔
huī
灰
le
了
  
。

With computer teaching, you can save time writing on the blackboard, teachers no longer have to eat chalk ash.

2
Zhè
这
duì
对
chī
吃
le
了
yībèizi
一辈子
fěnbǐ
粉笔
huī
灰
de
的
lǎo
老
fūqī
夫妻
  
,
jīshí
几十
nián
年
lái
来
yǐjīng
已经
péiyǎng
培养
le
了
shǔ
数
bù
不
qīng
清
de
的
yǒuyòng
有用
réncái
人才
  
,
suàn
算
de
得
shàng
上
shì
是
táolǐmǎntiānxià
桃李满天下
de
的
rén
人
le
了
  
。

The old couple, who have eaten chalk ash all their lives, have cultivated countless useful talents over the decades.

3
Wǒ
我
dàxué
大学
gāng
刚
bìyè
毕业
  
,
jiù
就
qù
去
le
了
yī
一
suǒ
所
zhōngxué
中学
chī
吃
fěnbǐ
粉笔
huī
灰
  
。

As soon as I graduated from college, I went to a middle school to eat chalk ash.